Update read_ncdf.R

JGCRI · Jan 9, 2024 · f5a776c · f5a776c
1 parent e14f744
commit f5a776c
Showing 1 changed file with 6 additions and 6 deletions.
diff --git a/R/read_ncdf.R b/R/read_ncdf.R
@@ -27,9 +27,6 @@ read_ncdf <- function(ncdf = NULL,
       ncdf_in <- ncdf4::nc_open(ncdf)
       var_names <- attributes(ncdf_in$var)$names
 
-      # get unit
-      var_unit <- ncdf4::ncatt_get(ncdf_in, var_names)$unit
-
       dims <- c(ncdf_in$var[[var]]$dim[[1]]$name,
                 ncdf_in$var[[var]]$dim[[2]]$name,
                 ncdf_in$var[[var]]$dim[[3]]$name)
@@ -39,6 +36,9 @@ read_ncdf <- function(ncdf = NULL,
         stop('Climate variable name is not valid. Please provide valid ncdf_var name.')
       }
 
+      # get unit
+      var_unit <- ncdf4::ncatt_get(ncdf_in, var)$unit
+
       # get the data time series
       ncdf_brick <- raster::brick(ncdf, varname = var, ncdf = TRUE,
                                   dims = dims_order, stopIfNotEqualSpaced = F)
@@ -120,9 +120,6 @@ read_ncdf <- function(ncdf = NULL,
       ncdf_in <- ncdf4::nc_open(ncdf)
       var_names <- attributes(ncdf_in$var)$names
 
-      # get unit
-      var_unit <- ncdf4::ncatt_get(ncdf_in, var_names)$unit
-
       dims <- c(ncdf_in$var[[var]]$dim[[1]]$name,
                 ncdf_in$var[[var]]$dim[[2]]$name,
                 ncdf_in$var[[var]]$dim[[3]]$name)
@@ -132,6 +129,9 @@ read_ncdf <- function(ncdf = NULL,
         stop('Climate variable name is not valid. Please provide valid ncdf_var name.')
       }
 
+      # get unit
+      var_unit <- ncdf4::ncatt_get(ncdf_in, var)$unit
+
       ncdf_brick <- raster::brick(ncdf, varname = var, ncdf = TRUE,
                                   dims = dims_order, stopIfNotEqualSpaced = F)